How would you write 12–^3 using a positive exponent?

Which statement most accurately describe why the division property of exponents does not apply to the expression (-8)^2/(-3)^4

On new year's day, the average temperature of a city is 5.7 degrees celsius. but for new year's day 2012, the temperature was 9.8 degrees below the average. i) if a represents the average temperature on new year's day and 7 represents the temperature on new year's day 2012, what formula accurately relates the two values together? ii) what was the temperature on new year's day 2012? dt a 0.8 ii) - 4 1 degrees celsius da-t-98 ii) 59 degrees celsius 1) 7 = -9,8 11) 59 degrees celsius ii) l degrees celsius

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)